Granted Patent
Utility
US 6,744,796 · App. 09/538,446
Passivated optical device and method of forming the same
Inventor:
Utpal Kumar Chakrabarti
Patented Case
View Patent ↗
Granted: Jun 1, 2004
Filed: Mar 30, 2000
Inventor
Utpal Kumar Chakrabarti
Assignee (at issue)
TriQuint Technology Holding Co.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.